They say dress for the job you want not the job you have. I didn't read that far into the Dune series, was the outfit of the Butlerian Jihad leadership ever covered?
@abstractcode possibly in one of the shitty Brian Herbert/Kevin Anderson continuations.
@abstractcode ... not looking for the costume required to become the galactic- and time-spanning empire worm king?

@abstractcode

I skipped straight to stillsuit. No sweat.